diff --git a/mm/ksm.c b/mm/ksm.c
index 25b8362a4f89537abe7c03156d7407d9a18383c1..582c02058baf94e30c511b1faf9d4130aa4de6fe 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -38,6 +38,7 @@
 #include <linux/freezer.h>
 #include <linux/oom.h>
 #include <linux/numa.h>
+#include <linux/mempolicy.h>
 
 #include <asm/tlbflush.h>
 #include "internal.h"
@@ -2454,6 +2455,11 @@ int ksm_madvise(struct vm_area_struct *vma, unsigned long start,
 		if (vma_is_dax(vma))
 			return 0;
 
+#ifdef CONFIG_COHERENT_DEVICE
+		if (is_cdm_vma(vma))
+			return 0;
+#endif
+
 #ifdef VM_SAO
 		if (*vm_flags & VM_SAO)
 			return 0;